Hackerrank 30daysOFcode Save

30 days of code solution in C++/JAVA/C/Python/JavaScript/C#

Project README

Contributors Forks Stargazers Issues

Logo

Hackerrank_30daysOFcode

Repository for Hackerrank 30 Days of Code
View the Repo

How to Contribute · Contribute · Request Code
Try Yourself · Code of Conduct · Join our Discord Server

NOTE: Before creating a Pull Request, make sure you add :white_check_mark: to Completed or if it can not be execute in that particular language then add :x: to Completed in that particular problem. Failing to do so will mark your PR as invalid and won't be counted in hactoberfest inspite of any good contribution. Due to increase of PR and the repo being highlighted by Hactoberfest itself on their website, we are going to take only those contributions which have updated the readme as per your PR changes.

Introduction

Thirty days of code by Hacker rank is aimed at improving your coding skills by coding for 30 days in a row. You can also unlock a new code challenge and tutorial each day and then, submit solutions in Java, C++ and other popular languages. But, this can prove to be quite a difficult task at times. So, here are some solutions for you to go through.

Table of Contents

Solutions

NOTE: First, try to solve it on your own. If facing some difficulty, you can see this.

Completed

:white_check_mark: ⇒ Completed

:x: ⇒ Invalid/Cannot be implemented

Day Problem Statement Python C C++ Java Javascript Go C# PHP TypeScript Swift Julia Kotlin Rust Scala Dart Ruby
00 Hello, World.
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
01 Data Types
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:x:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
02 Operators
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
03 Intro to Conditional Statements
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
04 Class vs. Instance
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:x:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
05 Loops
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
06 Let's Review
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:x:
:white_check_mark:
07 Arrays
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:x:
:white_check_mark:
08 Dictionaries and Maps
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:x:
:white_check_mark:
09 Recursion 3
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:x:
:white_check_mark:
10 Binary Numbers
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
11 2D Arrays
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:x:
:white_check_mark:
12 Inheritance
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:x:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:x:
:x:
:white_check_mark:
:x:
:x:
:white_check_mark:
13 Abstract Classes
:white_check_mark:
:x:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:x:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:x:
:x:
:x:
:x:
:x:
:x:
:white_check_mark:
14 Scope
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:x:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:x:
:x:
:x:
:x:
:x:
:x:
15 Linked List
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:x:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:x:
:x:
:x:
:x:
:x:
:white_check_mark:
16 Exceptions - String to Integer
:white_check_mark:
:x:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:x:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:x:
:x:
:x:
:x:
:white_check_mark:
17 More Exceptions
:white_check_mark:
:x:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:x:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:x:
:x:
:x:
:x:
:white_check_mark:
18 Queues and Stacks
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:x:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:x:
:x:
:x:
:white_check_mark:
:x:
:white_check_mark:
19 Interfaces
:white_check_mark:
:x:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:x:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:x:
:x:
:x:
:x:
:x:
:x:
:x:
20 Sorting
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:x:
:white_check_mark:
21 Generics
:white_check_mark:
:x:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:x:
:white_check_mark:
:white_check_mark:
:x:
:x:
:x:
:x:
:x:
:x:
22 Binary Search Trees
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:x:
:x:
:x:
:x:
:x:
23 BST Level-Order Traversal
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:x:
:x:
:x:
:x:
:x:
24 More Linked Lists
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:x:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:x:
:x:
:x:
:x:
:x:
25 Running Time and Complexity
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:x:
:white_check_mark:
:white_check_mark:
26 Nested Logic
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:x:
:white_check_mark:
27 Testing
:white_check_mark:
:x:
:white_check_mark:
:white_check_mark:
:x:
:x:
:x:
:x:
:white_check_mark:
:x:
:x:
:x:
:x:
:x:
:x:
:x:
28 RegEx, Patterns, and Intro to Databases
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:x:
29 Bitwise AND
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:white_check_mark:
:x:
:white_check_mark:

About The Repo

This is a repository aiming to provide solutions for 30 days code challenge (2020) conducted on Hackerrank. The solutions are available in major languages like C, C++, Python, Go ,Java ,C#, Javascript, PHP, Typescript and Swift as of now. It is a great platform for users to contribute and provide the solutions in other languages too.

EDIT: Happy to annouce that due in increase in contribution in this repo, our repo has been highlighted on Hacktoberfest site itself.

hacktoberfest2020-main-LI

Credits

To all the contributors/collaborators out there spending there time to make valuable contribution in this beginner friendly repo and special thanks to DigitalOcean for organizing such an awsome fest with Intel and DEV on GitHub. This fest has helped beginners to join/learn how open source works.

Looking forward for more contribution in this community. Happy coding!

Stargazers repo roster for @rahulsain/Hackerrank_30daysOFcode

Forkers repo roster for @rahulsain/Hackerrank_30daysOFcode

Open Source Agenda is not affiliated with "Hackerrank 30daysOFcode" Project. README Source: rahulsain/Hackerrank_30daysOFcode
Stars
170
Open Issues
0
Last Commit
5 months ago
Repository
rahulsain/Hackerrank_30daysOFcode
License
GPL-3.0
Homepage
https://www.hackerrank.com/domains/tutorials/30-days-of-code
Tags
Hackerrank 30dayschallange Hackerrank Solutions Hacktoberfest

Open Source Agenda Badge

Open Source Agenda Rating
Submit Review Review Your Favorite Project
Submit Resource Articles, Courses, Videos
Submit Article Submit a post to our blog

From the blog

Dec 11, 2022

How to Choose Which Programming Language to Learn First?

From the blog

Dec 11, 2022

How to Choose Which Programming Language to Learn First?